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WO1998036180A1 - Dispositifs de fixation - Google Patents

Dispositifs de fixation Download PDF

Info

Publication number
WO1998036180A1
WO1998036180A1 PCT/GB1998/000469 GB9800469W WO9836180A1 WO 1998036180 A1 WO1998036180 A1 WO 1998036180A1 GB 9800469 W GB9800469 W GB 9800469W WO 9836180 A1 WO9836180 A1 WO 9836180A1
Authority
WO
WIPO (PCT)
Prior art keywords
fixing
channel
shank
fixings
arms
Prior art date
Application number
PCT/GB1998/000469
Other languages
English (en)
Inventor
Mary Dobson
Original Assignee
Spandex Plc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Spandex Plc filed Critical Spandex Plc
Priority to AU62231/98A priority Critical patent/AU724185B2/en
Priority to CA002281530A priority patent/CA2281530A1/fr
Priority to GB9918963A priority patent/GB2336416B/en
Priority to EP98904285A priority patent/EP0960282A1/fr
Publication of WO1998036180A1 publication Critical patent/WO1998036180A1/fr

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B37/00—Nuts or like thread-engaging members
    • F16B37/04—Devices for fastening nuts to surfaces, e.g. sheets, plates
    • F16B37/045—Devices for fastening nuts to surfaces, e.g. sheets, plates specially adapted for fastening in channels, e.g. sliding bolts, channel nuts
    • F16B37/046—Devices for fastening nuts to surfaces, e.g. sheets, plates specially adapted for fastening in channels, e.g. sliding bolts, channel nuts with resilient means for urging the nut inside the channel

Definitions

  • the present invention relates to fixings, and in particular to fixings for mounting objects such as banners on surfaces for display.
  • the present invention further relates to kits comprising these fixings, a system for constructing a sign display using the fixings and to methods of mounting objects using the fixings.
  • a variety of methods for hanging banners and display boards are known in the art .
  • One approach secures the banner or display board on a surface, e.g. a wall, using nails or hooks, the banner being suspended from the nails or hooks by a cord passing through holes or eyelets in the fabric of the banner or display board.
  • this display system often appears untidy as the cord tends to sag between the fixing points and the nails or hooks mark the surface from which the object is suspended.
  • mounting objects in this way is often difficult, requiring the person mounting the display to hold several things simultaneously.
  • the present invention provides a fixing for securing an object to a channel member having a mouth with inturned lips, the fixing comprising:
  • the present invention provides a fixing for securing an object to a channel member, the channel member having a mouth restricted by inturned lips, the fixing comprising:
  • a head portion having resilient arms the head portion being adapted so that in a first orientation it can be inserted through the mouth of the channel and force applied to cause the arms to deflect against the channel, allowing the fixing to be rotated to a second orientation in which the arms are retained in the channel by the inturned lips; and, (b) a shank portion joined to the head portion, the shank portion being adapted to protrude from the channel.
  • the fixing is positioned in the channel by (1) inserting the head portion into the opening, (2) compressing the head portion by applying force to the shank portion protruding from the channel, (3) rotating the fixing while the head portion is in the compressed state, and (4) releasing the shank portion so that the head expands and engages the inturned lips of the channel .
  • the present invention provides a fixing that can be inserted at any point along the length of a channel member. This helps to avoid the problems that would be associated with using conventional hexagonal- or square- headed bolts to secure objects to channel members, which require that the bolts are inserted into an end of the channel and slid to the point on the channel at which the object is to be secured.
  • it is not necessary to slide the above fixings through long stretches of channel and it is not necessary to leave access to the ends when a channel is fixed in position, e.g.
  • the fixing has a pair of inwardly curving arms which can deflect towards each other on application of force in the first orientation and expand to engage or abut the inturned lips of the channel in the second orientation.
  • the deflecting action of the arms can be achieved if at least a portion of them are made from a resilient material.
  • the fixing is made from a plastics material such as nylon.
  • the fixing further comprises a neck region located between the head portion and the shank portion, the neck region having faces which abut the channel mouth when the fixing is in the second orientation.
  • the neck regions can help to stabilise the fixing in the channel mouth by increasing the area of contact between the fixing and the channel, helping to prevent the fixing moving in the channel, e.g. between insertion and securing the object.
  • the neck regions only allow the fixing to be rotated when the head is compressed.
  • the channel mouth can be provided with faces, rather than edges to increase the area of contact with the neck portion.
  • channel members may be provided for use with fixings having a deep neck, the channel members having inturned lips of a greater thickness than the other walls of the channel, thereby providing a greater area of contact between the neck and the channel mouth.
  • the thick part of the lip may be confined to a ridge running adjacent the channel opening.
  • the fixing is not provided with a neck region.
  • the resilient arms provide sufficient force when the fixing is in the second orientation to retain the fixing in place in the channel.
  • the depth of the (uncompressed) head may be slightly less than the internal depth of the channel, so that after fitting the fixing into the channel, it may easily be positioned.
  • the depth might be slightly greater than the internal depth of the channel, so that when the compression is released the fixing is held firmly in place in the channel .
  • Channel members are commonly fixed to surfaces (e.g. a wall or ceiling) by screws. This is usually done by inserting the screw through the opening in the "front” of the channel and screwing into the surface through the opposite "back” wall of the channel. It is desirable that fixings can slide along the channel without fouling the heads of the screws (or other fixing) used to fix the channel to the surface. This can be achieved by providing the head portion with a slot or a gap so that the head portion can slide over protruding channel fixings. The latter feature may be particularly advantageously combined with a compressible head and a neck region, so that the orientation of the gap in the head does not change as the fixing moves in the channel.
  • the channel fixings can be countersunk into the channel or the channel designed to have an internal depth sufficient to allow the bolt to pass the protruding heads.
  • the shank portion may in principle be of any shape, according to the desired function. Various shapes may be suitable for the mounting of displays, e.g. hook, knob, ring, shelf or clip.
  • the shank portion is advantageously a threaded shaft, which in use co-operates with corresponding nuts to secure objects to the fixing.
  • the threaded shaft protruding from the channel mouth when the fixing is in the second orientation. This helps to ensure that when a nut is fitted to the threaded shaft, the nut comes into contact with and is tightened against the exterior of the channel, allowing the fixing to be securely held in position.
  • the same principle may also apply if an object is positioned between the nut and the channel. If an unthreaded part of the shank or the neck protrudes from the opening, it may prevent contact between the nut (or object) and the exterior surface of the channel and therefore prevent the fixing from being securely fixed in position.
  • the fixings can be made of a plastics materials (e.g. nylon) .
  • they may in principle be made of any material or combination of materials.
  • Parts of the fixing e.g. the surfaces of the head which engage the inturned lips and if present the surfaces of the neck which co-operate with the edges of the lips and/or screw thread
  • the fixings described herein may be used to secure a wide variety of objects to channel members, e.g. display items such as banners, posters, whiteboards and signs; boxes such as collecting boxes, bins and leaflet dispensers; and brackets for connecting channel members to surfaces (e.g. to make frames out of channel members) or to each other.
  • the present invention provides a fixing in combination with securing means engagable with the shank portion.
  • the securing means are a cooperating nut.
  • the present invention provides one or more of the fixings and securing means, together with a length of channel having inturned lips and/or an object for securing to a surface.
  • the present invention provides a system for constructing a sign display comprising:
  • the system can be used to construct a planar sign attached to a surface such as a wall.
  • a three dimensional frame can be assembled using the system, e.g. in the form of a square pillar, and sign or display panels attached to the sides of the pillar.
  • the present invention provides a method of mounting a banner on a surface using a kit as described above.
  • Figure 1 shows a perspective view of a fixing
  • Figure 2 shows an end view along the axis of the fixing, from a shank portion to a head portion;
  • Figure 3 shows a cross-section of a channel having inturned lips, the head portion of the fixing being inserted in a first orientation into said channel;
  • Figure 4 shows the fixing in a second orientation in the channel, fully fitted, with the head portion of the fixing underlying the inturned lips of the channel, and the head portion clearing a screw head protruding into the channel ;
  • Figure 5 shows a banner slidably secured by a nut onto the fitted fixing, the nut being covered by a decorative cap;
  • Figure 6 shows how channel members can be connected together using brackets and the fixings
  • Figure 7 shows a framework for mounting sign or display panels constructed using a system comprising the fixings.
  • FIGS. 1 and 2 show a fixing 2 formed as a solid nylon moulding, the fixing comprising a head portion 4, a neck portion 6 and a shank portion 8.
  • the shank 8 is essentially cylindrical, with a screw thread 10 running helically around the curved surface along its entire length.
  • the neck portion 6 is located between the shank 8 and the head portion 4.
  • the neck portion has a generally square cross-section, and is provided with four narrow, rectangular faces 13, 14, which are perpendicular to each other.
  • the head portion 4 which comprises two resilient arms 16. The arms are thickened in the region of attachment to the neck portion 6, but taper away from the neck portion. The length of each arm is roughly twice its width.
  • the arms extend outwards from the neck portion in opposite directions, perpendicular to the axis of the shank and neck portion, with edges 20 of the arms flush with the other two faces 13 of the neck portion.
  • the fixing is generally T-shaped, the upright of the T-shape being the shank and the top being formed by the arms.
  • the arms 16 are inwardly curving, having an acute bend about halfway along their length so that the free ends 22 of the arms overlie the attached ends. In the uncompressed state, the angle of the bend is around 60°.
  • the arms are resilient so that the free ends 22 may be pushed inwardly, thereby compressing (i.e. reducing the depth of) the head portion 4.
  • the arms restore to their natural state.
  • the arms In contrast to the free ends 22 of the arms, near the neck portion the arms are thicker and more rigid, and so deform little. As the distance between the bends and the free ends of the arms is slightly less than half the span, the free ends do not come into contact on compression.
  • the fixing 2 may be inserted into a channel member 30 having a mouth restricted by inturned lips 36, see figures 3 and 4.
  • the width of the mouth 32 of the channel is slightly larger than the width of the arms, but considerably less than the . span between the arms . Insertion is performed in the following manner:
  • the fixing is held by the shank 8 and the head portion 4 is pushed through the mouth 32 of the channel. This is possible only if the fixing is oriented so that the arms extend along the length of the channel opening (the "first orientation") . This is shown in figure 3, in which the arms extend into and out of the plane of the drawing.
  • the fixing and channel are sized so that when the fixing is in this orientation, and the arms have not been deflected against the back wall 34 of the channel, the neck portion is located between the inturned lips 36. Consequently, the fixing may not be rotated.
  • the shank 8 is next pushed further into the channel in the direction shown by the arrow in figure 3. This deflects the arms 16 against the back wall 34 of the channel, compressing the head portion 4. With the arms in the deformed state, the neck portion 6 of the fixing is wholly within the channel, rather than in the opening 32 between the lips 36. 3. The shank 8 is then twisted about its axis so that the fixing is rotated by approximately 90°. The arms are thus brought into a second orientation, in which the span of the arms is perpendicular to the opening 32 of the channel and in which the arms underlie the lips 36. 4. The force on the shank 8 is released. The arms
  • the neck portion 16 are resilient and therefore return to their natural state, bringing the surface 18 of each arm into contact with the interior surface 38 of a lip 36.
  • This arrangement is shown in figure 4.
  • the length of the neck portion is less than the thickness of the inturned lip, so that when the fixing is inserted and the arms are in contact with the interior surfaces of the lips, the neck portion does not protrude from the opening.
  • the channel member 30 is thickened in this region by means of a ridge 40 running along the interior surface of the lip, adjacent to the opening, to increase the area of contact between the neck portion and the lips, and reduce wear.
  • the shank of a fitted fixing 2 is passed through the object, and a nut 52 is screwed on the thread 12. It may of course also be possible to attach the object first, before fitting the fixing in the channel. If it is desired to fix the object firmly in position, the nut is tightened, bringing the nut, object, channel lip and arms of the fixing tightly into contact. The fixed object can be readily slid along the channel, if the nut is screwed on, but not tightened.
  • a decorative cap 54 may be fitted on the nut 52.
  • a hole 56 is provided in the cap which mates closely with the nut. If suitably shaped, similar caps may be provided for tightening the nut on the shank of the fixing.
  • the assembly shown in figure 5 comprises a channel member 30, fitted with a fixing 2 (as shown in figure 4), the shank of which has been inserted through an eyelet 62 of a banner 60 and slidably secured with a nut 52.
  • a decorative cap 54 has been fitted on to the nut.
  • Figure 6 shows how channel members 30 and right angled brackets 64 can be connected together using the fixings 2 and nuts 52.
  • the fixings 2 are retained in the channels 30 by the inturned lips 36, with their shanks passing through apertures 66 in the brackets.
  • the brackets and channel members are then held together by fitting nuts to the shanks.
  • Figure 7 shows how this system can be used to construct a framework 68 that can be used to mount sign or display panels. As well as being used in the framework, the fixings can also be used to secure the panels to the framework.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Connection Of Plates (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)

Abstract

L'invention concerne un dispositif de fixation (2) destiné à fixer un objet sur un élément rail (30) ayant une ouverture restreinte par des bords (36) tournés vers l'intérieur. Le dispositif de fixation comporte une partie tête (4) présentant des bras (16) élastiques, conçue de manière à pouvoir être insérée, selon une première orientation, dans l'ouverture du rail par application d'une force faisant fléchir les bras (16) au contact du rail et permettant de tourner le dispositif de fixation selon une seconde orientation, dans laquelle les bras sont retenus dans le rail par les bords (36) tournés vers l'intérieur. Le dispositif de fixation comporte également une partie tige (8) jointe à la partie tête. La partie tige est placée de manière à faire saillie du rail (30). Le dispositif de fixation sert en particulier à fixer à des surfaces des objets tels que des banderoles, dans un but d'affichage. L'invention concerne également des kits comprenant ces dispositifs de fixation, un système permettant de construire une structure d'affichage dans laquelle on utilise ces dispositifs de fixation et des procédés de fixation d'objets à l'aide de ces dispositifs de fixation.
PCT/GB1998/000469 1997-02-13 1998-02-13 Dispositifs de fixation WO1998036180A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
AU62231/98A AU724185B2 (en) 1997-02-13 1998-02-13 Fixings
CA002281530A CA2281530A1 (fr) 1997-02-13 1998-02-13 Dispositifs de fixation
GB9918963A GB2336416B (en) 1997-02-13 1998-02-13 Fixings
EP98904285A EP0960282A1 (fr) 1997-02-13 1998-02-13 Dispositifs de fixation

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB9703000.1A GB9703000D0 (en) 1997-02-13 1997-02-13 Fixings
GB9703000.1 1997-02-13

Publications (1)

Publication Number Publication Date
WO1998036180A1 true WO1998036180A1 (fr) 1998-08-20

Family

ID=10807601

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB1998/000469 WO1998036180A1 (fr) 1997-02-13 1998-02-13 Dispositifs de fixation

Country Status (5)

Country Link
EP (1) EP0960282A1 (fr)
AU (1) AU724185B2 (fr)
CA (1) CA2281530A1 (fr)
GB (1) GB9703000D0 (fr)
WO (1) WO1998036180A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1201940A3 (fr) * 2000-10-23 2002-10-16 HILTI Aktiengesellschaft Profil d'écrou pour rail
US6575680B2 (en) 2000-10-23 2003-06-10 Hilti Aktiengesellschaft Fastening devices
WO2012063013A3 (fr) * 2010-11-09 2012-08-02 Acs Stainless Steel Fixings Limited Canal et ensemble canal comprenant ledit canal

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4315393A (en) * 1979-11-29 1982-02-16 Schack James B Insert for supporting hangers for conduit, pipe, cables, etc., in a channel member
US4575295A (en) * 1984-01-11 1986-03-11 Gte Products Corporation Fastener for channeled structural members
FR2604759A1 (fr) * 1986-10-02 1988-04-08 Carossino Andre Dispositif de positionnement d'un tirant de serrage sur une table de machine-outil a rainures en t
US4741582A (en) * 1982-09-30 1988-05-03 Lafrance Corporation Mounting fastener
WO1994010466A1 (fr) * 1992-11-04 1994-05-11 Josef Chudoba Systeme d'ecrou a ressorts

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2719093B1 (fr) * 1994-04-20 1996-06-07 Rapid Sa Dispositif de fixation d'une pièce comportant une tête sur un profilé en forme de U.

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4315393A (en) * 1979-11-29 1982-02-16 Schack James B Insert for supporting hangers for conduit, pipe, cables, etc., in a channel member
US4741582A (en) * 1982-09-30 1988-05-03 Lafrance Corporation Mounting fastener
US4575295A (en) * 1984-01-11 1986-03-11 Gte Products Corporation Fastener for channeled structural members
FR2604759A1 (fr) * 1986-10-02 1988-04-08 Carossino Andre Dispositif de positionnement d'un tirant de serrage sur une table de machine-outil a rainures en t
WO1994010466A1 (fr) * 1992-11-04 1994-05-11 Josef Chudoba Systeme d'ecrou a ressorts

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1201940A3 (fr) * 2000-10-23 2002-10-16 HILTI Aktiengesellschaft Profil d'écrou pour rail
US6575680B2 (en) 2000-10-23 2003-06-10 Hilti Aktiengesellschaft Fastening devices
WO2012063013A3 (fr) * 2010-11-09 2012-08-02 Acs Stainless Steel Fixings Limited Canal et ensemble canal comprenant ledit canal

Also Published As

Publication number Publication date
CA2281530A1 (fr) 1998-08-20
AU6223198A (en) 1998-09-08
AU724185B2 (en) 2000-09-14
GB9703000D0 (en) 1997-04-02
EP0960282A1 (fr) 1999-12-01

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